Central America-an isthmus joining the continents of North and South America, extending from the S border of Mexico to the NW border of Colombia and consisting of Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama
(dictonary definition)

Central America-joining of North and South America countrys
(paraphrased definition)
external image Central-America-Map.jpg

Middle America-continental North America S of the U.S., comprising mexico, Central America, and usually the West Indies
(dictonary definition)

Middle America- Mexico and the West Indies.
(paraphrased defintion)
external image middleamerica.jpg